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lotuslxl

铁杆木虫 (小有名气)

[交流] 在生产生物柴油过程中如何分离脂肪酸乙酯和三乙酸甘油酯

紧急求助各位虫友,我爱人是做生物柴油的,现在遇到些问题!在利用菜籽油生产生物柴油过程,不知如何分离脂肪酸乙酯和三乙酸甘油酯!请有知道的虫友帮忙指点!!!

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flydyyfx

铜虫 (小有名气)

★ ★
lotuslxl(金币+2):能否把条件再说详细点?
用气相色谱DB5的C18柱子程序升温分离就可以了:)
枫叶红颜独风骚,层林尽染泛赤潮,轻舞飞扬追残梦,片片相思化飞刀。
2楼2007-06-10 22:43:10
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flydyyfx

铜虫 (小有名气)

Then
analysis was done by injecting a 1 ll aliquot in a splitless
mode into a Hewlett Packard 6890 gas chromatograph
(Avondale, PA, USA) equipped with a flame-ionization
detector and a DB-5 fused-silica capillary column
(30 m  0:32 mm i.d.; film thickness 1 lm; J&W Scientific,
Folsom, CA, USA). Injector and detector temperatures
were set at 300 C. Oven initiating temperature
was at 190 C, elevated to 215 C at 6 C/min, and
then increased up to 300 C at 32 C/min, held for 3
min. Nitrogen was used as a carrier gas. The percentage
yield (percent weight conversion) was defined as ðmg
biodiesel  mg initial soybean oilÞ  100% and was estimated
using peak area integrated by on-line software
Hewlett-Packard 3365 Series II ChemStation (Avondale,
PA, USA).


摘自------
期刊:Bioresource Technology 88 (2003) 103–106
文章题目:Optimization of lipase-catalyzed biodiesel by response
surface methodology

自己看看吧,呵呵
枫叶红颜独风骚,层林尽染泛赤潮,轻舞飞扬追残梦,片片相思化飞刀。
3楼2007-06-17 21:41:48
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